Pith Number

pith:Y7QM7JJD

pith:2004:Y7QM7JJDOIWPNUZPTHK5A6L265

not attested not anchored not stored refs pending

On optimal values of alpha for the analytic Hartree-Fock-Slater method

Brett I. Dunlap (US Naval Research Laboratory, Rajendra R. Zope, Washington DC)

arxiv:cond-mat/0409394 v1 · 2004-09-15 · cond-mat.other · cond-mat.mtrl-sci · physics.chem-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y7QM7JJDOIWPNUZPTHK5A6L265}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:06:53.581207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7e0cfa523722cf6d32f99d5d0797af77566eaa1a36c2e3563ddd06c0e8b329c

Aliases

arxiv: cond-mat/0409394 · arxiv_version: cond-mat/0409394v1 · doi: 10.48550/arxiv.cond-mat/0409394 · pith_short_12: Y7QM7JJDOIWP · pith_short_16: Y7QM7JJDOIWPNUZP · pith_short_8: Y7QM7JJD

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/Y7QM7JJDOIWPNUZPTHK5A6L265 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: c7e0cfa523722cf6d32f99d5d0797af77566eaa1a36c2e3563ddd06c0e8b329c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcf37844b63495a61018a808d5e56b57800da171f413bff5808b3a9aa72142dc",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.chem-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2004-09-15T18:41:47Z",
    "title_canon_sha256": "bdac5782bc9bfad6c78988cd598dcf6487fcff5941592e30060028045985bd35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0409394",
    "kind": "arxiv",
    "version": 1
  }
}